hi, i need answers on the questions below. please provide explanation or solution if needed so i can better understand it. thank you so much.

1. Three forces act on an object. If the objects moving to the right in dynamic equilibrium, which of the following must be true? a. The forces must have same magnitudes. b. All three forces must be parallel. c. The magnitudes of the three forces must be equal. d. The vector sum of the three forces must be zero. e. No Answer 2. Because the Earth rotates about its axis, a point on the equator experiences a centripetal acceleration of 0.0337 m/s^2, whereas a point at the poles experiences no centripetal acceleration. What is the apparent weight at the at the poles of a person having a mass of 75.0 kg? Assume the Earth is a uniform sphere and take g = 9.800 m/s^2. PROBLEM SOLVING a. 730 N b. 732 N C. 735 N d. 737 N e. No Answer 3. A rocket near the surface of the earth is accelerating vertically upward at 10 m/s^2. The rocket releases an instrument package. Immediately after releasing the acceleration of the instrument package is: a. 19.6 m/s^2 up b. 9.8 m/5^2 up C. 0 d. 9.8 m/s^2 down e. No Answer 4. You are in a plane accelerating down a runway during takeoff, and you are holding a pendulum (say, a shoe hanging from a shoelace). The string of the pendulum a. hangs straight downward b. hangs downward and backward, because the net force must be nonzero c. hangs downward and forward, because the net force must be nonzero d. hangs downward and backward, because the net force must be zero e. No answer.5. A bead is arranged to move with constant speed around a hoop that lies in a vertical plane. The magnitude of the normal force on the bead is a. largest at the bottom b. largest at the top c. largest at the side points d. the same at all points e. No answer. 6. (PROBLEM SOLVING) Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless planes (see the figure below). What is the tension in the cord? 100 kg 50 kg 30109 53." a. 147 N b. 213 N C. 424 N d. 602 N e. No Answer 7. The distance between two telephone poles is 50.0 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free body diagram of the bird. How much tension does the bird produce in the wire? Ignore the weight of the wire. a. 317 N b. 430 N C. 564 N d. 613 N e. No